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Fortune
Fortune
Jake Angelo

A man used AI to call 3,000 Irish bartenders to track the cost of Guinness. Now pubs are lowering their prices to compete

Several pints of Guinness lined up on a bar (Credit: Betty Laura Zapata/Bloomberg via Getty Images)

Have you ever overpaid for a beer? Matt Cortland has, and it set him on a path to never repeat the mistake.

That is, for Cortland’s drink of choice: a pint of Guinness. After paying €7.80 (about $8.93) for Irish dry stout at a pub in Dublin earlier this month, the 37-year-old grew curious about the average cost of a pint across Ireland.

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